Problem:  crash with WinNewPre autocommand

Problem:  crash with WinNewPre autocommand, because window
          structures are not yet safe to use
Solution: Don't trigger WinNewPre on :tabnew

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 0365833..ef1ffb0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    671,
+/**/
     670,
 /**/
     669,